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Separating pulley device for absolute grating ruler

An absolute grating scale, separate technology, applied in the direction of using optical devices, measuring devices, instruments, etc., can solve the problems of pulley jumping or flipping, affecting the accuracy of the grating scale, etc., to reduce friction and vibration, excellent performance, and ingenious design. Effect

Active Publication Date: 2014-05-21
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the pulley is under severe vibration or high-speed driving conditions, it is inevitable that the pulley will jump or flip relative to the grating glass, which will affect the accuracy of the grating ruler.

Method used

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  • Separating pulley device for absolute grating ruler
  • Separating pulley device for absolute grating ruler
  • Separating pulley device for absolute grating ruler

Examples

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Embodiment

[0013] The structure diagram of the present invention is as figure 1 , 2 As shown, the detached pulley device of the absolute grating ruler of the present invention includes a sensor 1, an optical system 2, a housing 3, a grating panel 4, a pulley guide rail 5, and a pulley 6, wherein the sensor 1 for collecting the information of the grating panel 4 is installed On the upper part of the housing 3, the optical system 2 is connected to the sensor 1, the collection grating panel 4 is installed on the lower part of the housing 3, and the trolley guide rail 5 for providing the horizontal movement of the trolley 6 is fixed on the housing 3, and the trolley 6 is installed on the trolley guide rail 5 superior.

[0014] Above-mentioned tackle 6 includes extension spring 7, horizontal roller 8, right pressure roller 9, tackle upper panel 10, tackle lower panel 11, left side vertical roller 12, the upper part of tackle 6 is tackle upper panel 10, the lower part of tackle 6 It is the l...

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Abstract

The invention discloses a separating pulley device for an absolute grating ruler. The separating pulley device comprises a sensor (1), an optical system (2), a shell (3), a grating panel (4), a pulley guide rail (5) and a pulley (6), wherein the sensor (1) used for acquiring the information of the grating panel (4) is arranged at the upper part of the shell (3), the optical system (2) is connected with the sensor (1), and the grating panel (4) is arranged at the lower part of the shell (3); and the pulley guide rail (5) used for moving the pulley (6) in a horizontal direction is fixed on the shell (3), and the pulley (6) is arranged on the pulley guide rail (5). According to a pulley structure that the pulley and the grating panel are separated, errors caused by mechanical vibration can be reduced; furthermore, the pulley structure is adhered to the linear guide rail of a ruler shell to slide, so that a pulley body and grating glass can be guaranteed to be closely contacted and smoothly slide, and effects of reducing vibration and friction can be realized.

Description

technical field [0001] The invention relates to a detachable pulley device for an absolute grating ruler, which belongs to the innovative technology of the detachable pulley device for an absolute grating ruler. Background technique [0002] In the modern machining industry, grating sensors are mostly used as position feedback devices. Since the grating scale can implement full closed-loop control of the system, reduce the error caused by the thermal deformation of the ball screw and improve the machining accuracy, so the grating scale is increasingly used as the linear displacement feedback element in the current medium and high-end CNC systems. Its high precision and high resolution combined with a relatively low price make it widely used not only in the field of machine tools, but also in coordinate measuring machines, robotics, every position and speed measurement, and position and motion control applications. [0003] The traditional trolley device widely adopts the re...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01B11/02
Inventor 陈新吴志雄王晗陈新度陈彬韦小海范朝龙
Owner GUANGDONG UNIV OF TECH
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